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#include<cstring>
inline bool (char c)
{
return (c == 'a' || c == 'e' || c == 'i' || c == 'o' || c == 'u' || c == 'y');
}
int main()
{
char str[201];
while (gets(str) && strcmp(str, "e/o/i"))
{
int i, len = strlen(str);
int need[3] = { 5, 7, 5 }, line = 0;
bool flag = true;
for (i = 0; i < len; i++)
{
if (str[i] == '/')
{
if (need[line] != 0)
break;
line++;
flag = true;
continue;
}
else if (str[i] == ' ')
{
flag = true;
continue;
}
if (isVowel(str[i]))
if (flag)
{
need[line]--;
flag = false;
}
if (!flag&&!isVowel(str[i]))
flag = true;
}
if (i == len&&!need[2])
puts("Y");
else
printf("%dn", line + 1);
}
return 0;
}
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